Putting this here because it is a good resource. All of the information is available on the L.A. County Enterprise GIS site (except the original request – that I uploaded here).
Here are some posts from several years back on our Enterprise GIS web site (2012-2014):
Original request to CEO to start the process – PDF.
http://egis3.lacounty.gov/eGIS/2012/05/15/la-county-board-of-supervisors-approves-new-gis-classifications/
http://egis3.lacounty.gov/eGIS/2012/08/02/los-angeles-county-releases-gis-classifications-and-specifications-job-descriptions/
https://egis3.lacounty.gov/eGIS/2014/04/10/gis-positions-implementation-approval-finally-before-the-board-on-15-april/
http://egis3.lacounty.gov/eGIS/wp-content/uploads/2014/04/Reclassification-Board-Letter.pdf
https://egis3.lacounty.gov/eGIS/2014/08/22/140-gis-positions/
This is all for historical purposes and should be good background information for anyone reviewing it.